class ApplicationController < ActionController::Base
  protect_from_forgery with: :exception

  include SessionsHelper

  before_action :logged_in_user

  # 确保用户已登录
  def logged_in_user
    unless logged_in?
      store_location
      #flash[:danger] = "Please log in."
      redirect_to login_url
    end
  end

  #如果登录不能访问到登录页面
  def session_login
    if logged_in?
      redirect_to root_url
    end
  end

end
